[INFO] fetching crate trait-ffi 0.2.11...
[INFO] testing trait-ffi-0.2.11 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate trait-ffi 0.2.11 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate trait-ffi 0.2.11
[INFO] finished tweaking crates.io crate trait-ffi 0.2.11
[INFO] tweaked toml for crates.io crate trait-ffi 0.2.11 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-ffi 0.2.11 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate trait-ffi 0.2.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae9181e90ef6b622a9411049bdb1399052964abc8b16e8835ce89852474366fa
[INFO] running `Command { std: "docker" "start" "-a" "ae9181e90ef6b622a9411049bdb1399052964abc8b16e8835ce89852474366fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae9181e90ef6b622a9411049bdb1399052964abc8b16e8835ce89852474366fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9181e90ef6b622a9411049bdb1399052964abc8b16e8835ce89852474366fa", kill_on_drop: false }`
[INFO] [stdout] ae9181e90ef6b622a9411049bdb1399052964abc8b16e8835ce89852474366fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16802e6f45b11d27bee09aeffcd6a6ee7c415b3014229bd347a30b723a899104
[INFO] running `Command { std: "docker" "start" "-a" "16802e6f45b11d27bee09aeffcd6a6ee7c415b3014229bd347a30b723a899104", kill_on_drop: false }`
[INFO] [stderr]    Compiling lenient_semver_version_builder v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling lenient_semver_parser v0.4.2
[INFO] [stderr]    Compiling lenient_semver v0.4.2
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling trait-ffi v0.2.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "16802e6f45b11d27bee09aeffcd6a6ee7c415b3014229bd347a30b723a899104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16802e6f45b11d27bee09aeffcd6a6ee7c415b3014229bd347a30b723a899104", kill_on_drop: false }`
[INFO] [stdout] 16802e6f45b11d27bee09aeffcd6a6ee7c415b3014229bd347a30b723a899104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b34b9c562a4aaf09dd21ce984eec46ff9d59fe1fd0d905fd6e20aaeac5c601d3
[INFO] running `Command { std: "docker" "start" "-a" "b34b9c562a4aaf09dd21ce984eec46ff9d59fe1fd0d905fd6e20aaeac5c601d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait-ffi v0.2.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b34b9c562a4aaf09dd21ce984eec46ff9d59fe1fd0d905fd6e20aaeac5c601d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34b9c562a4aaf09dd21ce984eec46ff9d59fe1fd0d905fd6e20aaeac5c601d3", kill_on_drop: false }`
[INFO] [stdout] b34b9c562a4aaf09dd21ce984eec46ff9d59fe1fd0d905fd6e20aaeac5c601d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cb0c2738f600778752092f8303e63d184758855d4facc87cde6355c04de7aae
[INFO] running `Command { std: "docker" "start" "-a" "3cb0c2738f600778752092f8303e63d184758855d4facc87cde6355c04de7aae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trait_ffi-f70f00b1bbad4dc5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trait_ffi
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/../README.md - (line 56) ... FAILED
[INFO] [stdout] test src/../README.md - (line 37) ... FAILED
[INFO] [stdout] test src/../README.md - (line 19) ... FAILED
[INFO] [stdout] test src/lib.rs - def_extern_trait (line 98) ... FAILED
[INFO] [stdout] test src/lib.rs - impl_extern_trait (line 293) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 56) stdout ----
[INFO] [stdout] error: cannot find attribute `def_extern_trait` in this scope
[INFO] [stdout]   --> src/../README.md:57:3
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[def_extern_trait(abi = "c")]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 37) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `interface`
[INFO] [stdout]   --> src/../README.md:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use interface::{DemeIf, impl_trait};
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `interface`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `interface`, use `cargo add interface` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 19) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `demeif` in this scope
[INFO] [stdout]   --> src/../README.md:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     demeif::say_hello(a)
[INFO] [stdout]    |     ^^^^^^ use of unresolved module or unlinked crate `demeif`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `demeif`, use `cargo add demeif` to add it to your `Cargo.toml`
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 30 -     demeif::say_hello(a)
[INFO] [stdout] 30 +     DemeIf::say_hello(a)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - def_extern_trait (line 98) stdout ----
[INFO] [stdout] error: cannot find attribute `def_extern_trait` in this scope
[INFO] [stdout]    --> src/lib.rs:106:3
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[def_extern_trait(abi = "c", not_def_impl)]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `def_extern_trait` in this scope
[INFO] [stdout]   --> src/lib.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 | #[def_extern_trait(abi = "c")]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - impl_extern_trait (line 293) stdout ----
[INFO] [stdout] error: cannot find attribute `impl_extern_trait` in this scope
[INFO] [stdout]    --> src/lib.rs:296:3
[INFO] [stdout]     |
[INFO] [stdout] 296 | #[impl_extern_trait(name = "calculator_crate", abi = "c")]
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MyTrait` in this scope
[INFO] [stdout]    --> src/lib.rs:297:6
[INFO] [stdout]     |
[INFO] [stdout] 297 | impl MyTrait for Calculator {
[INFO] [stdout]     |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 19)
[INFO] [stdout]     src/../README.md - (line 37)
[INFO] [stdout]     src/../README.md - (line 56)
[INFO] [stdout]     src/lib.rs - def_extern_trait (line 98)
[INFO] [stdout]     src/lib.rs - impl_extern_trait (line 293)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.39s; merged doctests compilation took 0.15s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3cb0c2738f600778752092f8303e63d184758855d4facc87cde6355c04de7aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb0c2738f600778752092f8303e63d184758855d4facc87cde6355c04de7aae", kill_on_drop: false }`
[INFO] [stdout] 3cb0c2738f600778752092f8303e63d184758855d4facc87cde6355c04de7aae
